How to set SharePoint list add new form to set custom default form?

Question

I have uploaded the custom add new form into SharePoint list. and I have tried the below PowerShell script for set as default add new form .

$listname = "List1"
$web = Get-SPWeb http://SiteUrl
$list = $web.lists[$listname]
$list.DefaultNewFormUrl="SiteUrl/ListName/NewForm.aspx"

but I got error :- Exception setting "DefaultNewFormUrl": "Unable to find an SPForm matching URL"

Answer 1

Try this:

$listname = "List1"
$web = Get-SPWeb http://SiteUrl
$list = $web.lists[$listname]
$list.DefaultNewFormUrl = $list.RootFolder.ServerRelativeUrl + "/NewForm.aspx"